text: /*	$NetBSD: cd9660_node.h,v 1.22 2001/09/15 20:36:36 chs Exp $	*/
  
  /*-
   * Copyright (c) 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley
   * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
   * Support code is derived from software contributed to Berkeley
   * by Atsushi Murai (amurai@spec.co.jp).
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)cd9660_node.h	8.6 (Berkeley) 5/14/95
   */
  
  #include <miscfs/genfs/genfs_node.h>
  
  /*
   * Theoretically, directories can be more than 2Gb in length,
   * however, in practice this seems unlikely. So, we define
   * the type doff_t as a long to keep down the cost of doing
   * lookup on a 32-bit machine. If you are porting to a 64-bit
   * architecture, you should make doff_t the same as off_t.
   */
  #define doff_t	long
  
  typedef	struct	{
  	struct timespec	iso_atime;	/* time of last access */
  	struct timespec	iso_mtime;	/* time of last modification */
  	struct timespec	iso_ctime;	/* time file changed */
  	u_short		iso_mode;	/* files access mode and type */
  	uid_t		iso_uid;	/* owner user id */
  	gid_t		iso_gid;	/* owner group id */
  	short		iso_links;	/* links of file */
  	dev_t		iso_rdev;	/* Major/Minor number for special */
  } ISO_RRIP_INODE;
  
  #ifdef ISODEVMAP
  /*
   * FOr device# (major,minor) translation table
   */
  struct iso_dnode {
  	LIST_ENTRY(iso_dnode) d_hash;
  	dev_t		i_dev;		/* device where dnode resides */
  	ino_t		i_number;	/* the identity of the inode */
  	dev_t		d_dev;		/* device # for translation */
  };
  #endif
  
  struct iso_node {
  	struct	genfs_node i_gnode;
  	LIST_ENTRY(iso_node) i_hash;
  	struct	vnode *i_vnode;	/* vnode associated with this inode */
  	struct	vnode *i_devvp;	/* vnode for block I/O */
  	u_long	i_flag;		/* see below */
  	dev_t	i_dev;		/* device where inode resides */
  	ino_t	i_number;	/* the identity of the inode */
  				/* we use the actual starting block of the file */
  	struct	iso_mnt *i_mnt;	/* filesystem associated with this inode */
  	struct	lockf *i_lockf;	/* head of byte-level lock list */
  	doff_t	i_endoff;	/* end of useful stuff in directory */
  	doff_t	i_diroff;	/* offset in dir, where we found last entry */
  	doff_t	i_offset;	/* offset of free space in directory */
  	ino_t	i_ino;		/* inode number of found directory */
  
  	long iso_extent;	/* extent of file */
  	long i_size;
  	long iso_start;		/* actual start of data of file (may be different */
  				/* from iso_extent, if file has extended attributes) */
  	ISO_RRIP_INODE  inode;
  };
  
  #define	i_forw		i_chain[0]
  #define	i_back		i_chain[1]
  
  /* flags */
  #define	IN_ACCESS	0x0020		/* inode access time to be updated */
  
  #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
  #define ITOV(ip) ((ip)->i_vnode)
  
  /*
   * Prototypes for ISOFS vnode operations
   */
  int	cd9660_lookup	__P((void *));
  #define	cd9660_open	genfs_nullop
  #define	cd9660_close	genfs_nullop
  int	cd9660_access	__P((void *));
  int	cd9660_getattr	__P((void *));
  int	cd9660_read	__P((void *));
  #define	cd9660_ioctl	genfs_enoioctl
  #define	cd9660_poll	genfs_poll
  #define	cd9660_mmap	genfs_mmap
  #define	cd9660_seek	genfs_seek
  int	cd9660_readdir	__P((void *));
  int	cd9660_readlink	__P((void *));
  #define	cd9660_abortop	genfs_abortop
  int	cd9660_inactive	__P((void *));
  int	cd9660_reclaim	__P((void *));
  int	cd9660_link	__P((void *));
  int	cd9660_symlink	__P((void *));
  int	cd9660_bmap	__P((void *));
  int	cd9660_lock	__P((void *));
  int	cd9660_unlock	__P((void *));
  int	cd9660_strategy	__P((void *));
  int	cd9660_print	__P((void *));
  int	cd9660_islocked	__P((void *));
  int	cd9660_pathconf	__P((void *));
  int	cd9660_setattr	__P((void *));
  int	cd9660_blkatoff	__P((void *));
  
  void	cd9660_defattr __P((struct iso_directory_record *,
  			struct iso_node *, struct buf *));
  void	cd9660_deftstamp __P((struct iso_directory_record *,
  			struct iso_node *, struct buf *));
  struct	vnode *cd9660_ihashget __P((dev_t, ino_t));
  void	cd9660_ihashins __P((struct iso_node *));
  void	cd9660_ihashrem __P((struct iso_node *));
  int	cd9660_tstamp_conv7 __P((u_char *, struct timespec *));
  int	cd9660_tstamp_conv17 __P((u_char *, struct timespec *));
  int	cd9660_vget_internal __P((struct mount *, ino_t, struct vnode **, int,
  			      struct iso_directory_record *));
  #ifdef	ISODEVMAP
  struct iso_dnode *iso_dmap __P((dev_t, ino_t, int));
  void iso_dunmap __P((dev_t));
  #endif
  